-er -ic -up c-- ccc cce cci ccl ccp ccr ccu ce- cec cee cei cel cep cer ceu ci- cic cie cii cil cip cir ciu cl- clc cle cli cll clp clr clu cpc cpe cpi cpl cpp cpr cpu crc cre cri crl crp crr cru cuc cue cui cul cup cur cuu ec- ecc ece eci ecl ecr ecu eec eee eel eep eer eic eie eii eil eip eir eiu elc ele eli ell elp elr elu ep- epc epe epi epl epp epr epu erc ere eri erl erp err eru eu- euc eue eui eul eup eur icc ice ici icl icp icr icu ie- iec iee iei iel iep ier iic iie iii iil iip iir iiu il- ilc ile ili ill ilp ilr ilu ipc ipe ipi ipl ipp ipr ipu ir- irc ire iri irl irp irr iru iu- iuc iue iui iup iur l-p lcc lce lci lcl lcp lcr lcu lec lee lei lel lep ler leu lic lie lii lil lip lir liu llc lle lli lll llp llr llu lpc lpe lpi lpl lpp lpr lpu lrc lri lrp lrr lru luc lue lui lul lup lur luu p-p pcc pce pci pcl pcp pcr pcu pec pee pei pel pep per peu pic pie pii pil pip pir piu plc ple pli pll plp plr plu ppc ppe ppi ppl ppp ppr ppu prc pre pri prl prp prr pru puc pue pui pul pup pur puu rcc rce rci rcl rcp rcr rcu re- rec ree rei rel rep rer reu ric rie rii ril rip rir rlc rle rli rll rlp rlr rlu rpc rpe rpi rpl rpp rpr rpu rrc rri rrl rrp rrr rru ruc rue rui rup rur ruu ucc uce uci ucl ucp ucr ucu uec uee uei uel uep uer uic uie uii uil uip uir uiu ulc ule uli ull ulp ulr ulu up- upc upe upi upp upr upu ur- urc ure uri url urp urr uru uuc uue uur uuu